64966375

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 86261760

約数和(自身を除く): 21295385

約数列:

[1, 5, 23, 25, 59, 115, 125, 295, 383, 575, 1357, 1475, 1915, 2875, 6785, 7375, 8809, 9575, 22597, 33925, 44045, 47875, 112985, 169625, 220225, 519731, 564925, 1101125, 2598655, 2824625, 12993275, 64966375]

約数ペア:

[(1, 64966375), (5, 12993275), (23, 2824625), (25, 2598655), (59, 1101125), (115, 564925), (125, 519731), (295, 220225), (383, 169625), (575, 112985), (1357, 47875), (1475, 44045), (1915, 33925), (2875, 22597), (6785, 9575), (7375, 8809)]